-er -ol c-- ccc cce cch ccl cco ccr ccz ce- cec cee ceh cel ceo cer cez ch- chc che chh chl cho chr chz cl- clc cle clh cll clo clr clz co- coc coe coh col coo cor coz crc cre crh crl cro crr crz cz- czc cze czo ec- ecc ece ech ecl eco ecr eec eee eel eeo eer ehc ehe ehh ehl eho ehr elc ele elh ell elo elr elz eo- eoc eoe eoh eol eoo eor erc ere erh erl ero err erz eze ezh ezo ezr ezz hcc hce hch hcl hco hcr he- hec hee heh hel heo her hez hhc hhe hhh hhl hho hhr hhz hlc hle hlh hll hlo hlr hlz hoc hoe hoh hol hoo hor hr- hrc hre hrh hrl hro hrr hrz hze hzl hzo lcc lce lch lcl lco lcr lec lee leh lel leo ler lez lhc lhh lho lhr lhz llc lle lll llo llr llz loc loe loh lol loo lor loz lrc lrh lro lrr lrz lzh lzo lzr oc- occ och ocl oco ocr ocz oec oee oeh oel oeo oer ohc ohe ohh ohl oho ohr olc ole oll olo oo- ooc ooh ool ooo oor or- orc ore orh orl oro orr orz oze ozo ozz rcc rce rch rcl rco rcr re- rec ree reh rel reo rer rez rh- rhc rhe rhh rhl rho rhr rlc rle rlh rll rlo rlr roc roe roh rol roo ror roz rrc rrh rrl rrr rze rzo zce zcl zco zec zee zeh zel zeo zer zez zhc zhe zhl zho zhr zlr zo- zoc zoe zol zoo zor zrh zrl zro zzr zzz